6½d deep violet 'Harp' postal stationery registered envelope (FAI #EU 4 F, H&G C17) used with added 1952 2½d reddish purple 'Death Centenary of Thomas Moore' issue (SG 152) tied by two strikes of LEITIR CEANAINN cds (Letterkenny) dated 13. 8. 1953 with printed blue on white 'Letterkenny' registration label alongside. Addressed to UK.